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r2 Consider the function f(x) x2 - 9 For the following questions, write inf for 0, -inf for -00, U for the union symbol, and

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. Given the الا)4 الا والا لا لت 4 والا + و - 43 (4): 4 92 Apply the quotient Rule (15 (*) (۹) - (79) x لاله &* :(۹ -اة ) 2

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